Magazines / Extensions / Brass Catchers
Explore our extensive selection of HK magazines and extensions designed for enhanced capacity and performance across a range of HK models including the VP9, USP, MP5, and more. From rugged steel magazines to advanced polymer extensions, our inventory caters to both tactical and recreational needs, ensuring reliable feeding and durability. Enhance your HK firearm with precision-engineered magazine upgrades, available now for various calibers and applications.
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HK33, HK53, HK93, HK91, G3 Brass Catcher - 7.62 / .308 - 5.56 / .223
E&L MFG
$79.95E&L Mfg. HK91/G3 Brass Catcher - .308/762, 223/5.56 Rifles Rigid brass catchers are uniquely designed to conform to the shape of the firearm. Snaps on and off instantly and are made from strong, lightweight, black textured plastic. Each holds a...HKP-00846$79.95 -
HK45 +5 E2 Magazine Extension Kit
HKP HK Parts
$64.95HKP HK45 +5 E2 Magazine Extension Kit Our HK45 E2 design boldly transforms our magazine extension, giving it an aggressive look along with superior functionality. The enhanced features throughout the extension provide not only the striking appearance we...HKP-21627-M$64.95 -
B&T TP9, MP9 Brass Catcher - Side Rail - Picatinny
B&T Brugger & Thomet
$55.95B&T TP9/MP9 Picatinny Brass Catcher Side Rail New Swiss Made. Fits the brass catcher for the TP9, MP9 firearms. Please note that the hardware is not included as they are riveted on at the B&T factory in most cases before shipping however, the...HKP-17296$55.95 -
HK PARTS, HK 24 Round HK VP9, HK P30 9mm Magazine Complete - Red
HKP HK Parts / Heckler & Koch
$89.9524 Round Magazine Complete - Red - 9mm - HK PARTS - HK VP9, HK P30 HK Parts +7 alloy magazine extension coupled with an HK 17 round factory German magazine adds 7 additional rounds total for a fully assembled 24 round HK VP9/P30 magazine. Ideal for...HKP-19838$89.95 -
HK VP, P30, P30L Magazine Floorplate - .40 S&W - 10 Round
H&K Heckler & Koch
$9.9510 Round HK VP40, P30, & P30L Magazine Floor Plate Compatible With: HK P30 .40 HK P30L .40 HK VP40HKP-02570$9.95 -
Out Of Stock
HK VP9SK, P30SK Magazine Floorplate Extension - Locking
H&K Heckler & Koch
$23.00H&K VP9SK/P30SK Magazine Extension Locking Floorplate Secures the extension to the magazine body on P30SK and VP9SK magazine extensions. Compatible With: HK VP9SK/P30SKHKP-21993$23.00 -
On Sale
F5 MFG 50 Round MP5 9mm Drum Magazine - BLEMISHED
F5 MFG
Now: $99.95Was: $199.00F5 MFG 50 Round MP5 9mm Drum Magazine - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED INSTALLATION MARKINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK MP5...HKP-16537-BNow: $99.95Was: $199.00 -
HK UMP (.40 S&W) 30 Round Magazine
H&K Heckler & Koch
$79.95HK German UMP .40 cal 30 Round Factory Magazine New factory fresh production HK magazine. Compatible With: HK UMP .40 HK USC-UMP conversions LWRC SMG.40HKP-00607$79.95 -
HK UMP 9mm 15 Round Magazine
HKP HK Parts
$49.95UMP 9mm 15 Round Factory Magazine - USA UMP 15 round magazine for the UMP. Each magazine features steel feed lips, and a full 15 round magazine capacity. A small compact magazine for specific operational requirements. Each magazine counts as 3 U.S. Made...HKP-17849$49.95 -
On Sale
HK91, G3 Conversion Magazine - .22LR - 20 Round - BLEMISHED
H&K Heckler & Koch
Now: $149.95Was: $199.95H&K Heckler & Koch's Conversion Magazine for HK91, G3 - Conversion Kit - 20 Round - BLEMISHED CONDITION MAY VARY. DENTS VISIBLE BUT MAGAZINES ARE STILL FUNCTIONAL. REFER TO PHOTOS TO ASCERTAIN CONDITION. Priced for ONE Conversion Magazine -...HKP-20750-BNow: $149.95Was: $199.95 -
Out Of StockOn Sale
HKP 24 Round Mark 23 .45ACP Complete Magazine
HKP HK Parts
Now: $69.95Was: $89.95Magazine Complete 24 Round Mark 23, SOCOM New HK German MK23 Magazine body combo; pre-installed along with the HK Parts mag extension kit fully installed. Each offering is complete, fully assembled, ready for the range. This offering is a valuable...HKP-19478Now: $69.95Was: $89.95 -
HK45, HK45 Tactical Magazine Housing - 10 Round
H&K Heckler & Koch
$34.95HK45 Magazine Housing For 10 Round Mag - Mag Body Only Brand new factory German manufacture. Compatible With: HK45, HK45 Tactical Please Note: This is not the same as the USP45 mag body.HKP-02494$34.95